Home / 986,686.55-1,480,029.89-238,732.55

Finding the Fourth Proportional to 986,686.55, 1,480,029.89 and 238,732.55

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Solution

The fourth proportional to 986,686.55, 1,480,029.89 and 238,732.55 is: 358,098.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,686.55 : 1,480,029.89 = 238,732.55 : x
  2. Step 2: Convert to fraction form
    986,686.55/1,480,029.89 = 238,732.55/x
  3. Step 3: Cross multiply
    986,686.55x = 1,480,029.89 × 238,732.55
  4. Step 4: Simplify right side
    986,686.55x = 353,331,301,122.11
  5. Step 5: Solve for x
    x = 353,331,301,122.11/986,686.55
  6. Step 6: Final answer
    x = 358,098.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.